The next day, she was seen having breakfast in the cafeteria, when Jack, Kate, and Hurley were discussing Sayid. Later that night, She was told by LaFleur to grab the fire gear when the burning DHARMA van crashed into building 15, one of the houses at the Barracks. ("He's Our You")
Erin, after the fire had been put out.
Erin was seen standing with other members at the barracks, right after the fire had been put out, and she listened to Horace's speech. ("Whatever Happened, Happened")